Zusammenfassung der Ressource
Frage 1
Frage
Prediction: If snakes are experimentally excluded, then the population of rabbits will increase, or at least will be greater than that where snake predation happens.
Design: Exclusion fences.
Problem: Hawks perch on fences using them as a vantage point from which to predate on the rabbits.
Procedural control: [blank_start]____________[blank_end]